<template>
  <div class="top-category">
    <!-- provide 和 inject 的作用是注入数据, 例如在 bread 上注入的数据, 所有的子子孙孙组件都可以通过 inject 访问 -->
    <!-- 以下嵌套关系也支持通过 inject 访问 -->
    <div class="container">
      <XtxBread>
        <BreadItem to="/">首页</BreadItem>
        <BreadItem>{{ category.topCategory.name }}</BreadItem>
      </XtxBread>

      <!-- 轮播图组件 -->
      <Xtxcarousel style="height: 500px;" :slides="home.bannerList" />

      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <li v-for="item in topCategory.children" :key="item.id">
            <a href="javascript:;">
              <img v-lazy="item.picture" >
              <p>{{ item.name }}</p>
            </a>
          </li>
        </ul>
      </div>
      <!-- 分类关联商品 -->
 <div class="ref-goods"  v-for="item in category.topCategory.children" >
  <div class="head">
    <h3>- {{ item.name }} -</h3>
    <p class="tag">温暖柔软，品质之选</p>
    <XtxMore />
  </div>
  <div class="body">
    <GoodsItem  v-for="goods in item.goods"  :key="goods.id"
      :goods="goods" />
  </div>
</div>
    </div>
  </div>
</template>
<script lang="ts" name="TopCategory" setup>
import useStore from '@/store';
import { storeToRefs } from 'pinia';
import { watch } from 'vue';
import { useRoute } from 'vue-router';
import GoodsItem from './components/goods-item.vue';
const { category,home } = useStore()
home.getBannerList()
const route = useRoute()
 // 调用函数的时候传入id
 category.getTopCategory(route.params.id as string)
 // watch来监视id 的变化
watch(() => route.params.id, () => {
  console.log(route.params.id)
  // 如果去的路径是分类并且携带了id
  if (route.fullPath===`/category/${route.params.id}`) {
    category.getTopCategory(route.params.id as string)
  }
}, {
  immediate: true // 首次执行
})
const { topCategory } = storeToRefs(category)
</script>

<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
}
 .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
</style>